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Combination Flash-Butt Welders

Coil Width: 52" to 100" (1320 mm to 2540 mm)
Coil Thickness: .046" to .375" (1 mm to 9.5 mm)

Applications:
Flash-Butt Welders predominate in Pickle Lines but are also used to advantage in heavy-gauge Coil Preparation, Shot Blasting, Side Trimming and Slitting Lines, and Welded Tube and Pipe Mills. More than 160 Taylor-Winfield steel mill Flash-Butt Welders are in use throughout the world.

Description:
Flash-Butt Welding is an ultra-fast joining process with fusion occurring over the entire weld area simultaneously. It is the only resistance welding technique in which surface scale has little or no effect on the weld quality and consistency -- a major reason for its use in pickling lines.

After trimming, flash-butt welds are as thin as the strip itself and pass readily through subsequent reduction and forming equipment. In most cases, the welds lose their identity and continue on into the consumer product.

Combination Flash-Butt Welders are so named because they have a built-in, draw-cut weld trimmer which, in one stroke, removes the excess metal extruded to the surfaces of the strip during the upsetting (forging) portion of the welding cycle.

Three types of coil joining Flash Welders are available with Vertical Spacer Bar, with Horizontal Space Bar, and with Integral Shear.
 
  A transfer mechanism successively moves the joint to the trimming station and other optional work stations which include an edge punching or notching station and induction post-heating system. The latter minimizes costly strip breakage by tempering the heat-affected zone in alloy steels susceptible to treatment.

Welding machines and freestanding flash trimmers can also be furnished as individual units.

Automatic welding control systems are available for quickly and accurately resetting all welding parameters when changing strip size or grade. Set-up data can be provided by either computer or operator-controlled selector-switches. All units are available with or without integral shearing mechanisms. Fully automatic designs are now available to meet today's industry requirements.

In addition, the popularity of HSLA steels has resulted in Taylor-Winfield's development of a new-generation Flash-Butt Welder incorporating low-voltage/high-current flashing, an oxygen depletion feature, single-step spacer bar, and numerous other design improvements.

Non-destructive testing (NDT) equipment can now be offered as an integral part of the combination machine. This feature, using ultrasonics, can detect inferior welds without increasing the stop time of the entry end of the line.

Taylor-Winfield Flash-Butt Welders are the result of over 60 years of experience in building this type of joining equipment. Each is precision-built to exacting tolerances to withstand years o rugged "round-the-clock" operation with minimal maintenance. Many Taylor-Winfield welders delivered in the mid-1930's are still generating profits for their owners.

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